
Study shows COVID-19 triggers antibodies from previous coronavirus infections
PTIthe differences in the pre-existing antibody response identified by this study may possibly explain some differences in how severely COVID-19 disease affects old versus young people.
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South African coronavirus variant may escape antibodies, cause reinfection, say scientists
PTI In the research, the scientists, including those from the University of the Witwatersrand in South Africa, tested the neutralisation activity of plasma from patients who recovered from prior infection.
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Rice attributes that improve nitrogen use efficiency found
Special Correspondent It could help farmers use nitrogenous fertilizers efficiently, save costs.